Karol Bartyzel
@karolbartyzel
Senior Frontend Developer
PolandWhat I'm looking for
I am a Senior Frontend Developer with a strong background in modernizing legacy systems and driving company-wide transformations. Currently, I lead initiatives at Codility, where I successfully separated the frontend into its own repository, enhancing the architecture of a legacy monolith. My work focuses on implementing scalable frontend patterns and best practices, ensuring a seamless user experience.
Throughout my career, I have collaborated closely with UX and backend teams to design APIs and features that meet business needs. My experience includes bootstrapping applications, mentoring team members, and overseeing frontend stack decisions. I thrive in environments that encourage innovation and teamwork, and I am passionate about delivering high-quality code and solutions.
Experience
Work history, roles, and key accomplishments
* Led the initiative to separate the frontend into its own
repository, modernizing the architecture of a legacy monolith
* Drove company-wide transformation by introducing scalable frontend patterns and best practices
* Collaborated closely with UX and backend teams on API contracts and feature design
* Contributed to and guided implementation across a 10+ person team
Senior Frontend Developer
NFTNerds
Jun 2022 - Aug 2023 (1 year 2 months)
* Bootstrapped a greenfield application and drove architecture decisions
* Actively participated in business and technical planning
* Developed, tested, and maintained the application with code reviews
* Designed and led implementation of new features
* Oversaw frontend stack decisions and built POCs for key libraries
* Mentored team members and supported sprint planning
* Occasionally ran scrum ceremonies
Full-stack Developer
Medius
Jul 2017 - Aug 2018 (1 year 1 month)
* Built and maintained a production-grade web app
Education
Degrees, certifications, and relevant coursework
AGH University of Science and Technology
BE & MS, Computer Science
2015 - 2020
Availability
Location
PolandAuthorized to work in
Salary expectations
Social media
Job categories
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